The Big Zip SL reservoir is the most deluxe, off-the-shelf hydration reservoir system made. Every beautiful, taste-free feature is designed to make staying hydrated easy—starting with the new SlideLock™ closure. It ensures an easy, leak-free closure every time, opens wide for easy cleaning and makes a convenient carry handle.
- BPA- free
- Supple, super-durable
- Wide, BigZip™ opening swallows drink mixes and ice cubes easily and makes filling, cleaning and drying a snap
- Secure SlideLock™ closure with carry handle ensures an easy, leak-free seal
- Treated with all-natural SlimeGuard™ antimicrobial treatment to keep it taste-free
- Ergonomic, 90-degree shut off valve for leak-free packing
- HyperFlow™ bite valve features two-piece construction for easy cleaning
- Quick-disconnect hose for easy filling, cleaning and swapping of packs
